diff --git a/website/_dogfooding/_pages tests/markdownPageTests.md b/website/_dogfooding/_pages tests/markdownPageTests.md
index 8dcbf82a8224a..966ecff4ef89e 100644
--- a/website/_dogfooding/_pages tests/markdownPageTests.md	
+++ b/website/_dogfooding/_pages tests/markdownPageTests.md	
@@ -6,7 +6,7 @@ wrapperClassName: docusaurus-markdown-example
 
 # Markdown page tests
 
-This is a page generated from Markdown to illustrate the Markdown page feature and test some edge cases.
+This is a page generated from markdown to illustrate the Markdown page feature and test some edge cases.
 
 :::info
 
@@ -160,7 +160,17 @@ function Clock(props) {
 }
 ```
 
-## Custom heading ID {#custom}
+## Custom heading id {#custom}
+
+### Weird heading {#你好}
+
+### Weird heading {#2022.1.1}
+
+### Weird heading {#a#b}
+
+### Weird heading {#a b}
+
+### Weird heading {#a{b}
 
 ## Pipe